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3798 de Jager (2402 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2003798
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07665430795091333 6.2005e-08  
a 2.16810333006891 1.0384e-08 AU
q 2.001908869736408 1.359e-07 AU
i 2.4319543981174 5.2608e-06 deg
node 314.4383129109657 0.00013414 deg
peri 244.9105538996026 0.00013825 deg
M 52.38053468559475 3.2289e-05 deg
tp 2456830.837517189809
(2014-Jun-22.33751719)
0.0001048 JED
period 1166.053271091674
3.19
8.3775e-06
2.294e-08
d
yr
n .3087337507856425 2.2181e-09 deg/d
Q 2.334297790401413 1.118e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      23884 days (65.39 yr)  
   first obs. used      1950-01-28  
   last obs. used      2015-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48999  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:46:53  

Additional Information
 Earth MOID = 1.0021 AU 
 T_jup = 3.686 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO253388  

3798 de Jager (2402 T-3)          Discovered 1977-Oct-16 by van Houten-Groeneveld, I. at Palomar
Discovered in the course of the Third Trojan Survey by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 2402 T-3 = 1950 BY = 1982 BO1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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